Mariusz Pietrzyk

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The Effective Exe...
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Managing Oneself
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Man's Search for ...
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Albert Einstein
“If my theory of relativity is proven successful, Germany will claim me as a German and France will declare me a citizen of the world. Should my theory prove untrue, France will say that I am a German, and Germany will declare that I am a Jew.”
Albert Einstein

296303 Ragnarson Book Club — 22 members — last activity Jan 08, 2020 06:45AM
Books we read at Ragnarson
year in books
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153 books | 103 friends

Karol G...
427 books | 8 friends

Kamil J...
941 books | 220 friends

Filip M...
779 books | 402 friends

Maciej ...
821 books | 47 friends

Bartek ...
670 books | 20 friends

Kacper ...
250 books | 34 friends

Marek P...
391 books | 10 friends

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